Cancel PDF reading and OCR when the offer assistant closes

src/services/pdfDocumentReader.js

@@ -1,19 +1,23 @@
+import {awaitWithAbort} from './abortable.js';
 /** Read every requested page in order, retaining text/OCR provenance per page. */
-export async function readPdfPages(doc, {maxPages=Infinity, ocrPage, forceOcr=false, onProgress}={}) {
+export async function readPdfPages(doc, {maxPages=Infinity, ocrPage, forceOcr=false, onProgress, signal}={}) {
   if (!(maxPages === Infinity || (Number.isInteger(maxPages) && maxPages > 0))) throw new Error('Geçersiz sayfa sınırı.');
+  signal?.throwIfAborted();
   const pages = Math.min(doc.numPages,maxPages);
   const results=[];
   for(let number=1;number<=pages;number++) {
+    signal?.throwIfAborted();
     onProgress?.({sayfa:number,toplam:pages});
-    const page=await doc.getPage(number);
+    const page=await awaitWithAbort(doc.getPage(number).then(page=>{if(signal?.aborted){page.cleanup?.();signal.throwIfAborted();}return page;}),signal);
     try {
-      const content=await page.getTextContent();
+      const content=await awaitWithAbort(page.getTextContent(),signal);
       let text=content.items.map(item=>item.str + (item.hasEOL ? '\n' : ' ')).join('').trim();
       let method='text';
       if(ocrPage && (forceOcr || text.replace(/\s/g,'').length < 100)) {
-        try { text=await ocrPage(page); method='ocr'; }
-        catch { throw new Error(`${number}. sayfada OCR tamamlanamadı. Okunabilir belgeyle yeniden deneyin.`); }
+        try { text=await awaitWithAbort(ocrPage(page),signal); method='ocr'; }
+        catch { signal?.throwIfAborted(); throw new Error(`${number}. sayfada OCR tamamlanamadı. Okunabilir belgeyle yeniden deneyin.`); }
       }
+      signal?.throwIfAborted();
       results.push({page:number,text,method});
     } finally { page.cleanup?.(); }
   }